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MCB4403 Exam 3 Questions And Answers
100% Verified.
Causes lyme disease - Answers✔Borrelia burgdorferi
causes leptospirosis - Answers✔Leptospira
causes syphillis - Answers✔Treponema pallidum
major human pathogens of the Actinobacteria phylum - Answers✔Corynebacterium
Mycobacterium
characteristics of the phylum Bacteroidetes - Answers✔Closely related to environmental bacteria
Chlorobi,
Some of the most important bacteria in breaking down polysaccharides in the human gut,
Obligate anaerobes
Listeria characteristics - Answers✔Take control of host cytoskeleton,
Are an important food-borne pathogen of humans
Invade host cells,
Are gram positive
Bacteria that can release LPS/endotoxin as they degrade: - Answers✔Escherichia coli
Legionella pneumonphila
Neisseria meningitidis
Shigella
2 most dominant bacterial phyla in the human/mammal gut - Answers✔Bacteroidetes
Firmicutes
Archael cell envelopes - Answers✔Protein S-layer
Outer membrane
1
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Pseudopeptidoglycan (pseudomurein)
have histones to organize DNA - Answers✔Eukaryotes
Archaea
repurpose chloroplasts originally from their endosymbiont - Answers✔Eukaryotic
Apicomplexans
Eukaryotic phylum Apicomplexan pathogens - Answers✔Cryptosporidium hominis
Cyclospora cayetanensis
Plasmodium falciparum
Toxoplasma gondii
Eukaryotic phylum Euglenozoa pathogens - Answers✔Leishmania major
Trypanosoma brucei
characteristics of most fungi - Answers✔Have cell walls that are composed of chitin
"Move" in a certain direction by extending hyphae
Are more likely to be opportunistic pathogens rather than primary pathogens
Have lost the flagella/cilia in most lineages
Shiga toxin characteristics - Answers✔exotoxins produced by enteric bacteria; Shigella flexneri
and EHEC E. Coli; cause extensive damage to the human gastrointestinal tract; protein synthesis
disruptors
Staphylococcus aureus exfoliative toxin characteristics - Answers✔blistering of the skin;
protease that acts as a cell-cell adherence disruptor
E. Coli hemolysin characteristics (not related to shiga toxin) - Answers✔bacterial exotoxin that
acts as a cell membrane disruptor
Enteropathogenic E. coli (EPEC) characteristics - Answers✔secrete the Tir protein into the host
cell membrane; use the type III protein secretion system
type IV protein secretion system characteristics - Answers✔similar to bacterial conjugation; used
by pathogens, like Agrobacterium tumefaciens, to inject both DNA and proteins into host cells
Bordatella pertussis characteristics - Answers✔Gram negative; Beta proteobacteria; Whooping
cough; bacteria attaches to the cilia inhibiting its movement;
Candida albicans characteristics - Answers✔Skin infection, vaginal yeast infection; Usually in
elderly; Causes thrush on tongue (fungal); Echinocandins: fungal cell wall biosynthesis
2
MCB4403 Exam 3 Questions And Answers
100% Verified.
Causes lyme disease - Answers✔Borrelia burgdorferi
causes leptospirosis - Answers✔Leptospira
causes syphillis - Answers✔Treponema pallidum
major human pathogens of the Actinobacteria phylum - Answers✔Corynebacterium
Mycobacterium
characteristics of the phylum Bacteroidetes - Answers✔Closely related to environmental bacteria
Chlorobi,
Some of the most important bacteria in breaking down polysaccharides in the human gut,
Obligate anaerobes
Listeria characteristics - Answers✔Take control of host cytoskeleton,
Are an important food-borne pathogen of humans
Invade host cells,
Are gram positive
Bacteria that can release LPS/endotoxin as they degrade: - Answers✔Escherichia coli
Legionella pneumonphila
Neisseria meningitidis
Shigella
2 most dominant bacterial phyla in the human/mammal gut - Answers✔Bacteroidetes
Firmicutes
Archael cell envelopes - Answers✔Protein S-layer
Outer membrane
1
, ©FYNDLAY.
Pseudopeptidoglycan (pseudomurein)
have histones to organize DNA - Answers✔Eukaryotes
Archaea
repurpose chloroplasts originally from their endosymbiont - Answers✔Eukaryotic
Apicomplexans
Eukaryotic phylum Apicomplexan pathogens - Answers✔Cryptosporidium hominis
Cyclospora cayetanensis
Plasmodium falciparum
Toxoplasma gondii
Eukaryotic phylum Euglenozoa pathogens - Answers✔Leishmania major
Trypanosoma brucei
characteristics of most fungi - Answers✔Have cell walls that are composed of chitin
"Move" in a certain direction by extending hyphae
Are more likely to be opportunistic pathogens rather than primary pathogens
Have lost the flagella/cilia in most lineages
Shiga toxin characteristics - Answers✔exotoxins produced by enteric bacteria; Shigella flexneri
and EHEC E. Coli; cause extensive damage to the human gastrointestinal tract; protein synthesis
disruptors
Staphylococcus aureus exfoliative toxin characteristics - Answers✔blistering of the skin;
protease that acts as a cell-cell adherence disruptor
E. Coli hemolysin characteristics (not related to shiga toxin) - Answers✔bacterial exotoxin that
acts as a cell membrane disruptor
Enteropathogenic E. coli (EPEC) characteristics - Answers✔secrete the Tir protein into the host
cell membrane; use the type III protein secretion system
type IV protein secretion system characteristics - Answers✔similar to bacterial conjugation; used
by pathogens, like Agrobacterium tumefaciens, to inject both DNA and proteins into host cells
Bordatella pertussis characteristics - Answers✔Gram negative; Beta proteobacteria; Whooping
cough; bacteria attaches to the cilia inhibiting its movement;
Candida albicans characteristics - Answers✔Skin infection, vaginal yeast infection; Usually in
elderly; Causes thrush on tongue (fungal); Echinocandins: fungal cell wall biosynthesis
2
